Smart power off for host quiesce test suite teardown directive

This is to avoid cascading effect on other suites running test.

Resolves  openbmc/openbmc-test-automation#1031

Change-Id: Id93e90f88033c5198f72227b13574e072a5c6e6b
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/tests/test_host_auto_reboot.robot b/tests/test_host_auto_reboot.robot
index b0d0d80..4586e66 100644
--- a/tests/test_host_auto_reboot.robot
+++ b/tests/test_host_auto_reboot.robot
@@ -5,9 +5,11 @@
 Resource            ../lib/openbmc_ffdc.robot
 Resource            ../lib/rest_client.robot
 Resource            ../lib/state_manager.robot
+Resource            ../lib/boot_utils.robot
 
 Test Setup          Open Connection And Log In
 Test Teardown       Post Testcase Execution
+Suite Teardown      Smart Power Off
 
 *** Variables ***